TDA7495S

TDA7495S 11W +11W AMPLIFIER 11+11W OUTPUT POWER RL = 8. @THD = 10% VCC = 28V ST-BY AND MUTE FUNCTIONS LOW TURN-ON TURN-OFF POP NOISE NO BOUCHEROT CELL NO ST-BY RC INPUT NETWORK SINGLE SUPPLY RANGING UP TO 35V SHORT CIRCUIT PROTECTION THERMAL OVERLOAD PROTECTION INTERNALLY FIXED GAIN SOFT CLIPPING MULTIWATT 15 PACKAGE ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ MULTIPOWER BI50II TECHNOLOGY c u d DESCRIPTION ) s ( ct o r P Features of the TDA7495S include linearStand-by and mute functions. e t le The TDA7495S is a stereo 11+11W class AB power amplifier assembled in the @ Multiwatt 15 package, specially designed for high quality sound, TV applications. BLOCK AND APPLICATION CIRCUIT ) s t( Multiwatt 15 ORDERING NUMBER: TDA7495S o s b O - VS 1 INR o r P e 470nF t e l o S_GND bs O PW_GND du 30K 13 + 1000µF 14 - OUTR OP AMP S1 ST-BY 9 8 +5V STBY MUTE/STBY PROTECTIONS 10K 60K 11 10 MUTE S_GND +5V 1µF S2 MUTE 5 INL 470nF + 30K 12 - 1000µF OP AMP SVR 7 OUTL 15 PW_GND 470µF D99AU1015 January 2004 1/10 TDA7495S ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit 40 V 8 Vpp 20 W VS DC Supply Voltage VIN Maximum Input Voltage Ptot Total Power Dissipation (Tamb = 70°C) Tamb Ambient Operating Temperature (1) -20 to 85 °C Tstg,TJ Storage and Junction Temperature -40 to 150 °C (1) Operation between -20 to 85 °C guaranteed by correlation with 0 to 70°C. PIN CONNECTION (top view) 15 PW_GND 14 OUTR 13 VS 12 OUTL 11 PW_GND 10 MUTE 9 STBY 8 S_GND 7 SVR 6 N.C. 5 INL 4 N.C. 3 N.C. 2 N.C. e t le 1 INR c u d ) s t( o r P D99AU1016 THERMAL DATA Symbol Parameter (t s) Rth j-case Thermal Resistance junction-case Rth j-amb Thermal Resistance junction-ambient o r P e c u d o s b O - Value Unit Typ. = 2; Max. = 2.8 °C/W max 35 °C/W ELECTRICAL CHARACTERISTCS (Refer to the test circuit Vs = 20V; RL = 8Ω, Rg = 50Ω, Tamb = 25°C) Symbol bs DCVos O 2/10 Test Condition t e l o Vs Iq Parameter Supply Voltage Range Min. 11 Total Quiescent Current 70 Output DC Offset Referred to SVR No Input Signal Potential VO Quiescent Output Voltage PO Output Power Typ. -750 Max. Unit 35 V 100 mA 750 mV 11.5 V 8.5 10 THD = 10%; RL = 8Ω;VS = 28V THD = 1%; RL = 8Ω; VS = 28V 9.5 7.5 11 8.8 W W THD = 10%; RL = 4Ω; VS = 20V THD = 1%; RL = 4Ω; VS = 20V 7 5 8.7 6.8 W W THD = 10%; RL = 8Ω;VS = 18V THD = 1%; RL = 8Ω; VS = 18V 3.5 2.2 4 3.2 W W TDA7495S ELECTRICAL CHARACTERISTCS (Refer to the test circuit Vs = 20V; RL = 8Ω, Rg = 50Ω, Tamb = 25°C) Symbol Parameter Test Condition Min. THD Total Harmonic Distortion Gv = 30dB; PO = 1W; f = 1KHz Ipeak Output Peak Current (internally limited) VIN Input Signal GV Closed Loop Gain 1.7 Typ. Max. Unit 0.4 % 28.5 2.4 BW 30 A 2.8 Vrms 31.5 dB 0.6 eN Total Output Noise SR Slew Rate Ri Input Resistance SVR Supply Voltage Rejection TM Thermal Muting TS Thermal Shut-down f = 20Hz to 22KHz PLAY, 500 800 µV f = 20Hz to 22KHz MUTE 60 150 µV 5 8 V/µs 22.5 30 KΩ f = 1KHz; max volume CSVR = 470µF; VRIP = 1Vrms 35 39 f = 1KHz; max attenuation CSVR = 470µF; VRIP = 1Vrms 55 65 P e let MUTE & INPUT SELECTION FUNCTIONS Stand-by ON Threshold VMUTE Mute Threshold IqST-BY Quiescent Current @ Stand-by AMUTE Mute Threshold IstbyBIAS ImuteBIAS (s) Stand-by bias current od t c u Mute Bias Current r P e o s b O - uc 160 dB °C °C 2.3 2.5 2.7 V 2.3 2.5 2.7 V 0.6 1 mA 50 Stand by ON: VST-BY = 5V; Vmute = 5V Play or Mute ) s t( dB d o r 150 VST-BY MHz -20 65 V 80 µA -5 µA Mute 1 5 µA Play 0.2 2 µA t e l o s b O 3/10 TDA7495S Figure 1. Application circuit +VS C1 1000µF C9 0.1µF VS PW_GND 13 11 1 INR C2 470nF PW_GND 15 + PW_GND 14 - OUTR 30K C8 1000µF OP AMP S1 STBY S_GND 9 8 MUTE/STBY PROTECTIONS C7 1µF 5 INL C6 1000µF PW_GND 7 c u d C4 470µF D99AU1017 Figure 2. PCB and Component Layout e t le ) s ( ct u d o r P e t e l o s b O 4/10 +5V OUTL OP AMP SVR S2 MUTE 12 + 30K C3 470nF S_GND R2 10K 10 +5V o s b O - o r P ) s t( TDA7495S APPLICATION SUGGESTIONS The recommended values of the external components are those shown on the application circuit of figure 1. Different values can be used, the following table can help the designer. COMPONENT SUGGESTION VALUE R2 10K C1 1000µF C2 470nF Input DC decoupling Lower low frequency cutoff Higher low frequency cutoff C3 470nF Input DC decoupling Lower low frequency cutoff Higher low frequency cutoff C4 470µF Ripple rejection Better SVR C6 1000µF Output DC decoupling Lower low frequency cutoff Higher low frequency cutoff C7 1µF Mute time constant Larger mute on/off time C8 1000µF Output DC decoupling Lower low frequency cutoff Higher low frequency cutoff C9 100nF Supply voltage bypass LARGER THAN SUGGESTION PURPOSE Mute time constant SMALLER THAN SUGGESTION Larger mute on/off time Smaller mute on/off time Supply voltage bypass Danger of oscillation Worse SVR Smaller mute on/off time ) s t( Danger of oscillation c u d TYPICAL CHARACTERISTICS: Refer to the application circuit of fig.1A Tamb = 25°C; VS = 20V; RL = 8Ω; f = 1KHz; RS = 50Ω; unless otherwise specified. Figure 3. Output Power vs Supply Voltage POUT (W) 16 D97AU559 14 RL=8Ω 12 d=10% 10 8 uc 6 d=1% d o r P e 4 2 0 t e l o 11 15 19 23 27 (t s) 31 VS(V) o r P Figure 4. Distortion vs Output Power e t le d (%) o s b O - D97AU560 VS=28V RL=8Ω 1 f=15KHz f=1KHz 0.1 0.01 0 2 4 6 8 POUT(W) s b O 5/10 TDA7495S Figure 5. Output Power vs Supply Voltage POUT (W) D97AU561 Figure 8. Mute Attenuation vs V pin #10 ATT (dB) D97AU566 14 0dB=1W 0 12 RL=4Ω -20 10 8 -40 d=10% 6 -60 d=1% 4 -80 2 0 10 12 14 16 18 20 22 24 VS(V) Figure 6. Distortion vs Output Power d (%) D97AU562 VS=20V RL=4Ω -100 0 1 d o r RL=2 x 8Ω f=1KHz P e let 8 6 o s b O - 2 4 ) s ( ct 6 u d o r P e ATT (dB) t e l o 0 D97AU565 VS=24V VS=14V 2 0 POUT(W) Figure 7. Stand-by Attenuation vs Vpin #9 VS=28V VS=18V 4 0 ) s t( D97AU567 f=15KHz 0.01 4 Vpin#10(V) uc PDISS (W) 1 f=1KHz 3 Figure 9. Power dissipation vs Output Power 10 0.1 2 0.1 1 10 POUT(W) Figure 10. Power dissipation vs Output Power PDISS (W) 0dB=1W 16 D97AU568 RL=2 x 4Ω f=1KHz VS=26V s b O -20 12 -40 VS=20V -60 8 -80 4 -100 -120 0 6/10 1 2 3 4 Vpin#9(V) 0 0.1 1 10 POUT(W) TDA7495S MUTE STAND-BY TRUTH TABLE MUTE St-BY OPERATING CONDITION H H STAND-BY L H STAND-BY H L MUTE L L PLAY Turn ON/OFF Sequences (for optimizing the POP performances) A) USING ONLY THE MUTE FUNCTION VS (V) 28 ST-BY pin#9 (V) 5 c u d VSVR pin#7(V) e t le 2.5V MUTE pin#10 (V) 5 INPUT (mV) ) s ( ct ) s t( o r P o s b O - u d o VOUT (V) r P e t e l o OFF STBY MUTE PLAY MUTE STBY OFF IQ (mA) s b O D96AU531A B) USING ONLY THE MUTE FUNCTION To semplify the application, the stand-by pin can be connected directly to Ground. During the ON/OFF transitions is recommended to respect the following conditions: – At the turn-on the transition mute to play must be made when the SVR pin is higher than 2.5V – At the turn-off the TDA7495S must be brought to mute from the play condition when the SVR pin is higher than 2.5V. 7/10 TDA7495S Figure 11. PINS: INL, INR Figure 14. PIN :MUTE VS VS 500µA 6K MUTE INn 200 10K 30K 50µA D97AU589 SVR D97AU592 Figure 12. PINS: PW-GND, S-GND Figure 15. PINS: OUT R, OUT L VS VS GND D97AU593 c u d Figure 13. PIN: STBY OUT VS e t le 10µA STBY 200 65K ) s ( ct D97AU594 Figure 16. PIN: SVR u d o VS VS r P e t e l o s b O D97AU588 o s b O - VS OUT L + - 20K 6K 1K 20K 6K 1K 30K SVR 30K + 100µA D97AU585A 8/10 o r P OUT R ) s t( TDA7495S mm DIM. MIN. TYP. inch MAX. MIN. TYP. A5 MAX. 0.197 B 2.65 0.104 C 1.6 0.063 D 1 E 0.49 OUTLINE AND MECHANICAL DATA 0.039 0.55 0.019 0.022 F 0.66 0.75 0.026 G 1.02 1.27 1.52 0.040 0.050 0.060 0.030 G1 17.53 17.78 18.03 0.690 0.700 0.710 H1 19.6 0.772 H2 20.2 0.795 L 21.9 22.2 22.5 0.862 0.874 0.886 L1 21.7 22.1 22.5 0.854 0.87 0.886 L2 17.65 18.1 0.695 L3 17.25 17.5 17.75 0.679 0.689 0.699 L4 10.3 10.7 10.9 0.406 0.421 0.429 0.191 0.713 L7 2.65 2.9 0.104 M 4.25 4.55 4.85 0.167 0.179 0.114 M1 4.73 5.08 5.43 0.186 0.200 S 1.9 2.6 0.075 0.102 S1 1.9 2.6 0.075 0.102 Dia1 3.65 3.85 0.144 0.152 0.214 ) s ( ct s b -O c u d ) s t( o r P (Vertical) Multiwatt15 e t e l o u d o r P e t e l o s b O 0016036 J 9/10 TDA7495S c u d e t le ) s ( ct ) s t( o r P o s b O - u d o r P e t e l o s b O Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners © 2004 STMicroelectronics - All rights reserved STMicroelectronics GROUP OF COMPANIES Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States www.st.com 10/10